Comparison

protostar vs TTCApp by TTCA

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

protostar

This educational app is designed for students aged 7-12, offering a platform for watching learning videos and playing interactive games. It is exclusively for users of the protostar education company and is available on iPad.

Highlights
  • Learning videos
  • Educational games
  • Preview content
  • Review content
  • Designed for ages 7-12
Features
Read full description

1. Applicable to students aged 7-12 to use the app 2. This application is only for protostar education company 3. The application is only for ipad 4. The application is suitable for IPv6 5. This is an application that allows children to watch learning videos online, play learning games, and wait for preview and review

About

TTCApp by TTCA

Features
Read full description

TTCApp is the official campus platform of Tsung Tsin Christian Academy, providing teachers, parents and students with simple and secure access to everyday school services. Parents and students can: • View the current eConduct score, grade and approved records • Receive school push notifications and review read and unread messages • Use ECA features for registration, schedules, attendance and payments • Sign in using a one-time verification code sent by email or SMS Teachers can: • Verify their identity through secure Google sign-in • Create and approve eConduct records using a guided workflow • Select students by teaching group, custom group or search • View their classes and the latest student records • Create and track Summon requests • Use the SOS emergency support workflow to submit the classroom, incident type, students involved, and text or voice notes TTCApp supports Traditional Chinese and English with a clear, light interface. Note: This app is available only to authorised TTCA users.

Screenshots

TTCApp by TTCA4 screens

Verdict

The call

The clearest difference is in-app purchases: TTCApp by TTCA at none against protostar's 1. TTCApp by TTCA also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). protostar's advantage is iOS requirement (10 vs 17.6). On price and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. protostar sells 1 one-off in-app purchase. TTCApp by TTCA asks for nothing beyond the download.

UpkeepUpdate frequency

protostar ships an update every 3 weeks, TTCApp by TTCA every 5 days. The most recent releases landed on November 3, 2026 and November 13, 2026 respectively.

Scorecard4 real differences · 5 level
protostar versus TTCApp by TTCA: the parameters behind the verdict, then further details
ParameterprotostarTTCApp by TTCA
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPadiPhone, iPad — better
Requires iOS10 — better17.6
Further details — not scored
Size155 MB15 MB
Age rating4+4+
DeveloperLongzhe Education Technology (Shanghai) Co., Ltd.Yuk Man Ng

In-app purchases

1 purchases

protostar

One-time1
  • Protostar English Course$299.99
None

TTCApp by TTCA

No in-app purchases

Questions

Is protostar free?
protostar is free to download, with in-app purchases available.
Is TTCApp by TTCA free?
TTCApp by TTCA is free to download, with no in-app purchases.
Do protostar or TTCApp by TTCA have ads?
protostar shows ads; TTCApp by TTCA does not.
Which is updated more often, protostar or TTCApp by TTCA?
protostar ships an update every 3 weeks, and TTCApp by TTCA every 5 days. Most recently, protostar was updated on November 3, 2026 and TTCApp by TTCA on November 13, 2026.

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